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Initialize class fields in constructor or at declaration?
...# and Java recently and I am curious where the best place is to initialize my class fields.
15 Answers
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Python Requests throwing SSLError
... @J.F.Sebastian Honestly, it depends on what you're doing. For my quick/throwaway application, it was more than sufficient.
– khalid13
Sep 16 '13 at 19:27
5
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C# HttpClient 4.5 multipart/form-data upload
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my result looks like this:
public static async Task<string> Upload(byte[] image)
{
using (var client = new HttpClient())
{
using (var content =
new MultipartFormDataContent("Upload----" ...
Eclipse “Server Locations” section disabled and need to change to use Tomcat installation
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Ok, sorry for my previous answer, I had never seen that Overview screen before.
Here is how I did it:
Right click on my tomcat server in "Servers" view, select "Properties…"
In the "General" panel, click on the "Switch Location" button
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Sublime Text 2 - View whitespace characters
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This works on my linux laptop but doesn't on my windows desktop.
– MaxNevermind
Mar 4 '16 at 7:09
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Post-increment and pre-increment within a 'for' loop produce same output [duplicate]
...t needs to use the more expensive post-incrementation version if you write myiterator++.
Three reasons why you should pre-increment:
You won't have to think about whether the variable/object might have an overloaded post-incrementation method (for example in a template function) and treat it diff...
Why is f(i = -1, i = -1) undefined behavior?
...could segfault. Or reformat your hard drive.
But now you ask: "What about my example? I used the same value (-1) for both assignments. What could possibly be unclear about that?"
You are correct...except in the way the C++ standards committee described this.
If a side effect on a scalar object...
SQL join: selecting the last records in a one-to-many relationship
... features of your RDBMS to analyze the optimization plan. E.g. EXPLAIN on MySQL.
Some people use subqueries instead of the solution I show above, but I find my solution makes it easier to resolve ties.
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How to access outer class from an inner class?
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Hmm, Python is friskier than Java/C++... see my answer below. If we're splitting hairs, which we usually are, I couldn't really tell you whether my "nested class within method" counts as an inner class. At this point, though, I have to invoke duck typing: if it does e...
Different ways of loading a file as an InputStream
...re calling it from. For example calling, String.class.getResourceAsStream("myfile.txt") will look for a file in your classpath at the following location: "java/lang/myfile.txt". If your path starts with a /, then it will be considered an absolute path, and will start searching from the root of the c...